1640668866 is an even 10-digits composite number following 1640668865
and preceding 1640668867 . In scientific notation, it is written as 1.640668866 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 546889620 positive integers (up to 1640668866) that are relatively prime to 1640668866.
1640668866 has 8 divisors, whose sum is 3281337744
The reverse of 1640668866 is 6688660461
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion six hundred forty million six hundred sixty-eight thousand eight hundred sixty-six
Scientific notation
1.640668866 × 10^9
Engineering notation
1.640668866 × 10^9
Prime Factorization
2 × 3 × 273444811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640668866
Product of the distinct prime numbers
The prime factorization of 1640668866 is 2 × 3 × 273444811.
Since it has a total of 3 prime factors.
5 , 8 , 66 , 81 , 231 , 445 , 7750 , 8735 , 41791 , 90097 , 99152 , 559481 , 9683977 , 8775801 , 32703039 , 18333452 , 925622246 , 148852643 , 9662949000 , 3959169093
n×2
3281337732
n×3
4922006598
n×4
6562675464
n×5
8203344330
n÷2
820334433
n÷3
546889622
n÷3
410167216.5
n÷5
328133773.2
n2
2691794327861725956
n3
4.4163431473981E+27
n4
7.2457567035086E+36
n5
1.1887887434057E+46
2 √n
40505.17085509
3 √n
1179.4340065468
4 √n
201.2589646577
5 √n
69.663323085133
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640668865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640668866 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640668866) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110010101001111011000010
3
Ternary
11020100012121120120
4
Quaternary
1201302221323002
5
Quinary
11330002400431
6
Senary
430445121110
8
Octal
14162517302
10
Decimal
1640668866
12
Duodecimal
399559196
16
Hexadecimal
61ca9ec2
20
Vigesimal
15ce3c36
36
Base36
r4t876
md5
8a119422712362e764378c99b6ed8591
sha1
284550268f049aea43a89c735863ea1a3bd0810f
sha256
630346451386933793a0a046ded215865a37625ec0dab147cbfbd5ebc288405f
sha512
53c53cccbe7bd81b2f65a82f3d8c5172e3ec8706e9ec14564784d2573cfc8495506061716b77b3f9c98f492899157e883e41ae6d780adbea27af4493e539fe26
ripemd-160
f8d7655ce075543301cdbe5dab5c4c9bd82b0b0e
Diameter
3281337732
Circumference
10308626512.798
Area
8.4565212853851E+18
Volume
1.8499134916797E+28
Surface area
3.382608514154E+19
Circumference
10308626512.798
Perimeter
6562675464
Area
2691794327861725956
Diagonal
2320256161.6605
Surface area
1.615076596717E+19
Volume
4.4163431473981E+27
Space diagonal
2841721834.3084
Perimeter
4922006598
Area
1.1655811348456E+18
Altitude
1420860917.1542
Surface area
1.1655811348456E+18
Volume
5.2047103126199E+26
Height
773418720.5535